diff --git a/Cargo.toml b/Cargo.toml
index 4cb3ca1..9ff6f7e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,5 +10,5 @@ name = "mizu"
 crate-type = ["cdylib"]
 
 [dependencies]
-pyo3 = { version = "0.18.2", features = ["extension-module"] }
+pyo3 = { version = "0.18.3", features = ["extension-module"] }
 pulldown-cmark = "0.9.3"